CN220711282U - Integrated motor of fuel cell hydrogen circulating pump - Google Patents
Integrated motor of fuel cell hydrogen circulating pump Download PDFInfo
- Publication number
- CN220711282U CN220711282U CN202321238469.XU CN202321238469U CN220711282U CN 220711282 U CN220711282 U CN 220711282U CN 202321238469 U CN202321238469 U CN 202321238469U CN 220711282 U CN220711282 U CN 220711282U
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- Prior art keywords
- stator
- wall
- rotor
- fuel cell
- wall surface
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 29
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 29
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of motors, in particular to an integrated motor of a fuel cell hydrogen circulating pump, which comprises a shell, a stator and a rotor which are coaxially arranged; a shielding cover is arranged between the stator and the rotor, and the stator is arranged between the shell and the shielding cover and is encapsulated by glue filling. The utility model can be applied to a hydrogen circulating pump system of a fuel cell, and a shielding cover is additionally arranged between a stator and a rotor of a motor based on severe operation conditions to isolate water vapor and prevent the water vapor from entering the stator; after the stator is installed, the stator can be encapsulated by glue filling, so that the stator can be used for shielding water vapor, and meanwhile, a heat conducting medium can be changed, so that the heat dissipation efficiency is improved, and the insulativity and the corrosion resistance are improved.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to an integrated motor of a fuel cell hydrogen circulating pump.
Background
The fuel cell generates electric energy through electrochemical reaction between combustible substances (hydrogen) and oxygen in air, wherein the discharged gas contains a large amount of hydrogen after the fuel cell reacts, and if the hydrogen is directly discharged into the atmosphere, on the one hand, the energy is wasted, on the other hand, the environment is polluted, and on the other hand, the hydrogen is inflammable and explosive and generates danger, so that the hydrogen needs to be recycled. At present, the hydrogen-containing mixed gas is generally recycled back to the fuel cell by a hydrogen circulating pump for recycling. When the hydrogen circulating pump is actually installed and used, the motor needs to be connected with the motor, the motor drives the rotor of the hydrogen circulating pump to rotate at a high speed, and the motor in the traditional hydrogen circulating pump at present has the problems of slow heat dissipation, easy damage caused by impact, easy damage of water vapor entering a vulnerable stator, easy poor insulation and the like, so the utility model develops an integrated motor of the hydrogen circulating pump of the fuel cell to solve the problems in the prior art.
Disclosure of Invention
The utility model aims at: the integrated motor of the hydrogen circulating pump of the fuel cell is provided, so that the problems that in the prior art, the motor in the hydrogen circulating pump is low in heat dissipation, easy to damage due to impact, easy to damage due to water vapor entering a stator, easy to insulate, and the like are solved.
The technical scheme of the utility model is as follows: the integrated motor of the fuel cell hydrogen circulating pump comprises a shell, a stator and a rotor which are coaxially arranged; a shielding cover is arranged between the stator and the rotor, and the stator is arranged between the shell and the shielding cover and is encapsulated by glue filling.
Preferably, the casing is of a hollow structure with an opening at one end, the inner wall of the casing is biased to the closed end side and is provided with a step surface, the step surface divides the inner wall of the casing into a first inner wall surface and a second inner wall surface, and the diameter corresponding to the first inner wall surface is smaller than the diameter corresponding to the second inner wall surface;
the stator end face is propped against the step surface, the outer wall is propped against the second inner wall surface, and the inner diameter is equal to the diameter corresponding to the first inner wall surface;
the outer wall of the shielding cover is propped against the inner wall and the first inner wall surface of the stator.
Preferably, the shielding cover is of a cylindrical structure with one end open, one side of the open end is provided with a sealing table extending outwards in the radial direction, and a sealing ring is arranged between the sealing table and the matching end surface.
Preferably, the shell is externally provided with a mounting seat in a nested fit, and the mounting seat is of a cylindrical structure with two open ends; the outer diameter of the sealing table is not smaller than the inner diameter of the mounting seat.
Preferably, the rotor is internally provided with a coaxially arranged connecting piece, and the connecting piece is fixedly connected with the rotor and is used for being in plug-in fit with the end part of the rotating shaft to be driven.
Compared with the prior art, the utility model has the advantages that:
the utility model can be applied to a hydrogen circulating pump system of a fuel cell, and a shielding cover is additionally arranged between a stator and a rotor of a motor based on severe operation conditions to isolate water vapor and prevent the water vapor from entering the stator; after the stator is installed, the stator can be encapsulated by glue filling, so that the stator can be used for shielding water vapor, and meanwhile, a heat conducting medium can be changed, so that the heat dissipation efficiency is improved, and the insulativity and the corrosion resistance are improved.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a cross-sectional view of an integrated motor for a fuel cell hydrogen circulation pump according to the present utility model;
fig. 2 is a sectional view of an integrated motor for a hydrogen circulation pump of a fuel cell according to the present utility model in an installed state.
Wherein: 1. a casing 11, a step surface 12, a first inner wall surface 13 and a second inner wall surface;
2. a stator;
3. a rotor 31, a connector;
4. a shielding cover 41, a sealing table 42 and a sealing ring;
5. a mounting base;
6. and a driving shaft.
Detailed Description
The following describes the present utility model in further detail with reference to specific examples:
as shown in fig. 1 and 2, an integrated motor of a hydrogen circulation pump of a fuel cell comprises a casing 1, a stator 2 and a rotor 3 which are coaxially arranged; a shielding cover 4 is arranged between the stator 2 and the rotor 3, and the stator 2 is arranged between the shell 1 and the shielding cover 4 and is encapsulated by glue filling.
Specifically, the casing 1 has a hollow structure with an opening at one end, the inner wall of the casing 1 is biased to the closed end side and is provided with a step surface 11, the step surface 11 divides the inner wall of the casing 1 into a first inner wall surface 12 and a second inner wall surface 13, and the diameter corresponding to the first inner wall surface 12 is smaller than the diameter corresponding to the second inner wall surface 13; the outside of the shell 1 is provided with a mounting seat 5 in a nested fit, the mounting seat 5 is of a cylindrical structure with two open ends, and the fixed mounting of the integrated motor is realized through the mounting seat 5.
The end face of the stator 2 is propped against the step face 11, the outer wall is propped against the second inner wall face 13, and the inner diameter is equal to the diameter corresponding to the first inner wall face 12; the stator 2 and the casing 1 can be fixedly matched in a key and key groove mode.
The outer wall of the shielding cover 4 is propped against the inner wall of the stator 2 and the first inner wall surface 12, the shielding cover 4 is of a cylindrical structure with one end open, a sealing table 41 extending outwards along the radial direction is arranged on one side of the open end, a sealing ring 42 is arranged between the sealing table 41 and the matched end surface, and the outer diameter of the sealing table 41 is not smaller than the inner diameter of the mounting seat 5.
The rotor 3 is arranged in the shielding cover 4, a connecting piece 31 which is coaxially arranged is arranged in the rotor 3, and the connecting piece 31 is fixedly connected with the rotor 3 and is used for being in plug-in fit with the end part of a rotating shaft (a driving shaft 6 of the hydrogen circulating pump) to be driven.
Under the use scene, as shown in fig. 2, the integrated motor is fixedly arranged at the end part of the hydrogen circulating pump through the mounting seat 5, the rotor 3 is used for being connected with the driving shaft 6 in the hydrogen circulating pump, the sealing table 41 is abutted against the mounting end surface and is locked and fixed through bolts, and the abutted end surfaces are sealed through the sealing ring 42, so that water vapor is effectively isolated, and the water vapor is prevented from entering the stator 2; meanwhile, after the stator 2 is installed, the stator can be encapsulated by glue filling and can be used for shielding water vapor, a heat conducting medium can be changed, the heat dissipation efficiency is improved, and the insulativity and the corrosion resistance are improved.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same according to the content of the present utility model, and are not intended to limit the scope of the present utility model. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments and that the present utility model may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore desired that the present utility model be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (3)
1. The utility model provides a fuel cell hydrogen circulating pump integral type motor which characterized in that: comprises a casing, a stator and a rotor which are coaxially arranged; a shielding cover is arranged between the stator and the rotor, and the stator is arranged between the shell and the shielding cover and is encapsulated by glue filling;
the shell is of a hollow structure with an opening at one end, the inner wall of the shell is biased to the closed end side and is provided with a step surface, the step surface divides the inner wall of the shell into a first inner wall surface and a second inner wall surface, and the diameter corresponding to the first inner wall surface is smaller than the diameter corresponding to the second inner wall surface;
the stator end face is propped against the step surface, the outer wall is propped against the second inner wall surface, and the inner diameter is equal to the diameter corresponding to the first inner wall surface;
the outer wall of the shielding cover is propped against the inner wall and the first inner wall surface of the stator;
the shielding cover is of a cylindrical structure with one end open, a sealing table extending outwards along the radial direction is arranged on one side of the open end, and a sealing ring is arranged between the sealing table and the matched end face.
2. The fuel cell hydrogen circulation pump-integrated motor of claim 1, wherein: the outer part of the shell is provided with a mounting seat in a nested fit manner, and the mounting seat is of a cylindrical structure with two open ends; the outer diameter of the sealing table is not smaller than the inner diameter of the mounting seat.
3. The fuel cell hydrogen circulation pump-integrated motor of claim 1, wherein: the rotor is internally provided with a connecting piece which is coaxially arranged, and the connecting piece is fixedly connected with the rotor and is used for being in plug-in fit with the end part of the rotating shaft to be driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238469.XU CN220711282U (en) | 2023-05-22 | 2023-05-22 | Integrated motor of fuel cell hydrogen circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321238469.XU CN220711282U (en) | 2023-05-22 | 2023-05-22 | Integrated motor of fuel cell hydrogen circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220711282U true CN220711282U (en) | 2024-04-02 |
Family
ID=90444468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321238469.XU Active CN220711282U (en) | 2023-05-22 | 2023-05-22 | Integrated motor of fuel cell hydrogen circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220711282U (en) |
-
2023
- 2023-05-22 CN CN202321238469.XU patent/CN220711282U/en active Active
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